CD Version 4 Tracking Issue

[melotic]

Tracking issue for version 4.0 of Component Detection. This is a list of changes to make before shipping breaking changes.

### Tasks
- [ ] #233
- [ ] #452
- [ ] Switch to .NET 8 RC
- [ ] #251
- [ ] https://github.com/microsoft/component-detection/issues/772

AB#2102422

[JamieMagee]

Some additional context for .NET 8 Release Candidate's support, from the .NET and .NET Core Support Policy

Go-live releases are supported by Microsoft in production. These are typically our release candidate builds, just before the generally available (GA) release.

[cobya]

Closing as v4 was already released - #1135 will handle tracking for v5.